The story I took a look at is one about safety practices used in coal mines around the country.
The story exposes the lack of compliance to law and safety procedures by those in the profession.
The reporters would have had to get records about accidents at coal mines around the nation.
They would also have had to interview those who are currently employed as a miner or someone who used to be a coal miner to find out how they were trained and if the safety procedures are enforced.

A woman was shot to death in a St. Paul home and her husband was shot and seriously wounded Sunday morning, police said.
The gunfire occurred at a residence in the 1700 block of Minnehaha Avenue, killing a 25-year-old woman and leaving her 27-year-old husband in Regions Hospital with a leg wound, according to the Star Tribune.
No arrests have been made, there are no details about who may have fired the shots and the circumstances that led to the shooting, according to the Pioneer Press.
Only the husband and wife were in the home at the time.

An explosion at close range, and not a direct hit, caused the South Korean patrol ship Cheonan to sink last month, a team of South Korean military and civilian investigators has tentatively concluded.
Instead of being directly hit by a torpedo or other underwater weapon, the Cheonan was affected by a strong explosion that occurred below its bottom at a close range, according to the New York Times.
On Saturday, recovery crews found the body of a missing sailor in the wreckage of the ship, according to CNN.
Forty of Cheonan's 104 crew members have now been confirmed dead, and six more are also believed dead, though they are still listed as missing.

Tornadoes tore through four states in the south on Saturday, killing 10 people and injuring others.
One of the hardest hit areas was Mississippi's Yazoo County, where Gov. Haley Barbour grew up, according to Fox News.
More than 15 other counties in Mississippi also had damage, according to the New York Times.
Three children were among the dead, and 21 people were taken to hospitals.

Two vehicles crashed head-on early Sunday west of Cambridge, killing four young people in a car and two occupants in an SUV, the State Patrol said.
The car's driver, a 16-year-old girl from Isanti who just recently got her license, was hospitalized in serious condition at Hennepin County Medical Center, according to the Star Tribune.
An "odor of alcohol" coming from the teenager's car was detected by authorities, according to the Pioneer Press.
10 people were killed since Friday in accidents involving teen drivers.

In a night of high emotion, House Speaker Margaret Anderson Kelliher won a fierce DFL endorsement contest on Saturday, moving one step closer to becoming Minnesota's first female governor.
In a long day of battling over delegates, Kelliher was victorious over rival Minneapolis Mayor R.T. Rybak, according to the Star Tribune.
She now moves on to what will be an even more fierce primary against three other DFLers, as the party tries to win back the governor's office for the first time in 20 years, according to the Pioneer Press.
Mayor Rybak later took the stage to endorse Kelliher, saying that the party cannot be divided any longer.

Afghan authorities released three Italian medical workers who had been detained for a week.
The aid workers were released Sunday after they were found not to be involved in a plot to kill a provincial governor, according to Fox News.
The nine Emergency employees were taken into custody April 10 after Afghan and British forces found explosives and handguns in an Emergency hospital in the southern Afghan province of Helmand, according to CNN.
Marco Garatti, a surgeon with the group, said that they were well treated while in custody.

A Catholic priest in Chicago who made headlines when he mocked Hillary Clinton during her presidential campaign is apologizing for a sermon in which he said priests should be allowed to marry and women should be allowed to become priests.
In a statement posted Wednesday on the Archdiocese of Chicago's Web site, the Rev. Michael Pfleger says he was expressing his personal opinion, but that he respects and follows the teachings of the church, according to Fox News.
Pflegr is a popular pastor of a church on the city's southside, according to MSNBC.
He is a longtime activist who has protested everything from the Supreme Court's decision to strike down Washington's handgun ban to Jerry Springer's television show.

Poland's first couple was laid to rest Sunday, marking the end of a long journey of grief for the European nation.
The bodies of President Lech Kaczynski and his wife were taken along the historic "royal route" from St. Mary's Basilica to Wawel Castle after the funeral Mass, according to CNN.
Tens of thousands of Poles lined the streets and tossed flowers, saying goodbye to their president, according to Fox News.
Other world leaders including President Obama, French President Nicolas Sarkozy and German Chancellor Angela Merkel were forced to cancel plans to attend.

One person was killed in a fiery, high-speed car crash along Hwy. 65 near Isanti just before noon Sunday.
After a series of reckless driving maneuvers, a 1997 Toyota Avalon hit a tree and burst into flames, according to the Star Tribune.
It will take more time than usual to identify the body because of the burned remains, according to the Pioneer Press.
The Toyota Avalon was not part of the recent Toyota recalls.